Which gland regulates sleep cycles?
The pineal gland regulates sleep cycles by producing melatonin in response to darkness, promoting sleepiness.
Why It Matters
This fact belongs to the science category and contributes to expanding general knowledge. Understanding such facts not only makes you smarter but also helps connect ideas across different fields.
More Insights
- Explore similar facts on science, history, and general trivia.
- Share this fact with friends to spread knowledge.
- Bookmark this page to revisit later.